Published January 1, 2014 | Version v1
Conference paper Open

Comparative efficiency evaluation of Buck and Hybrid Buck DC-DC converters for automotive applications

  • 1. Univ POLITEHN Timisoara, Timisoara, Romania
  • 2. Aalborg Univ, Aalborg, Denmark

Description

This paper presents and discusses design considerations and efficiency investigation of a conventional step-down and a hybrid switched-capacitor DC-DC converter. Three MOSFETs with low on-resistance have been tested for each converter in order to find the most adequate switch for this application. The experimental results and comparative efficiency graphs were obtained with a 1kW laboratory prototype dedicated for a 42/14V dual voltage automotive system.

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